global.h

功能强大的文本编辑器

/*      global.h                               20.03.05       */
/*
/  --------------------------------------------------------------
/  Copyright (C) 2004: Michael Braun
/                      Kaetinger Muehlenweg 103 A
/                      D-28816 Stuhr
/  --------------------------------------------------------------
/
/    global header file for mbedit.c (publics / externals)
/
*/


/************************/
/* often used macros    */
/************************/


/************************/
/* some defines         */
/************************/

#define VERSION_DATE    "20.03.05"     /* <= modify here !! */
#define VERSION_TEXT_3  "8.62"         /* <= modify here !! */

#define VERSION_TEXT_1  "mbedit "

#if (DEMO_VERSION == 0)
#define VERSION_TEXT_2  "V"     /* Version */
#endif

#if (DEMO_VERSION == 1)
#define VERSION_TEXT_2  "S"     /* Shareware */
#endif

#if (DEMO_VERSION == 2)
#define VERSION_TEXT_2  "D"     /* Demo */
#endif



#define LINE_OFFSET    1  /* mbedit counts rows, lines internally from 0, */
                          /* display starts from 1 */

#define CURSOR_STABIL  1  /* page up/down doesn't move the cursor position */
                          /* on the screen (except at begin and end of file) */

                          /* relation between cursor position in the memory */
                          /* and on the screen */
#define REL_COLUMN    (fc->column - fc->left_col)


/************************/
/*  structures          */
/************************/

struct FILE_CONTROL {
       /* bei init nicht anfassen ... */
          char filename [BUF_256];  /* name of datafile in work */
          char FA_HU * buff_0; /* pointer to start of edit-buffer */
          long buffer_size;    /* actual length of buffer */
          int  malloc_flag;    /* 1 = buffer is available */
          int  left_col;       /* left visible column on screen (default: 0) */

#if WINDOW_COMMAND
          int  wind_arow [3];  /* row index in both windows */
          long wind_index[3];  /* index of file in both windows */
#endif
          int  syntax_flag;    /* 0=OFF, 1=comments, 2=keywords, 3=both */
          int  eoln;           /* end of line (0x0a, 0x0d or 0x0d0a) */

       /* bei init definiert setzen */
          char FA_HU * buffer; /* pointer to actual byte in edit-buffer */
          long tag_index [4];  /* -1 = undefined */
          int  buff_no;        /* 0/1 (= act_buff_no [act_window]) */
          long find [2];       /* first and (last+1) char of find string */
          int  file_type;      /* index to buffer for syntax highlighting */
          int  highbit;        /* 0=No, 1=Yes */
          char *e_delimit;     /* pointer to hi_light->e_delimit */
 
       /* bei init loeschen ... */
          long byte_anz;       /* total no of bytes */
          long byte_index;     /* index of actual byte */
          long top_left;       /* index of upper left corner on screen */
          long lin_left;       /* index of left byte on actual line */
 
          long line_anz;       /* total no of lines in buffer */
          long line_index;     /* no of actual line */

          int  view_only;      /* 1 = file must not be modified */
          int  change_flag;    /* 1 = file has been modified */
          int  arow;           /* actual row    (0 ... 22) of cursor */
                               /* relative to begin of window */
          int  column;         /* actual column (0 ... 79) of cursor */
       };

#if (WITH_LAST_AGAIN)
struct MINI_CONTROL {
          char filename [BUF_256];  /* name of datafile in work */
          long byte_index;     /* index of actual byte */
          int  view_only;      /* 1 = file must not be modified */
       };
#endif

#define lrow   arow+MIN_ROW    /* relative to begin of screen */


/************************/
/*  public variables    */
/************************/

#undef pubext
#ifdef _GLOBAL_
#define pubext
#else
#define pubext extern
#endif


pubext char copyright_text []
#ifdef _GLOBAL_
        = {"Copyright (C) 1992 - 2005  /  Michael Braun"}
#endif
;

pubext char url_string []
#ifdef _GLOBAL_
        = {"http://www.braun-home.net/michael"}
#endif
;

/* structure for file control */
#if (ACT_OP_SYSTEM == MS_DOS)
#define MAX_FC_NUM 10     /* max. anzahl von edit-files */
#else
#define MAX_FC_NUM 26
#endif

pubext int act_window;       /* 0 : normal mode       */
                             /* 1 : window mode oben  */
                             /* 2 : window mode unten */
pubext int act_buff_no [3];  /* index: act_window */
pubext int same_buffer;      /* 1 = window 1 + 2 contain same buffer */

pubext int w_top [3]         /* window top */
#ifdef _GLOBAL_
   = { 0, 0, 0 } 
#endif
;

pubext int w_bot [3]         /* window bottom */
#ifdef _GLOBAL_
   = { INIT_ROWS-1, INIT_ROWS-1, INIT_ROWS-1 } 
#endif
;

pubext struct FILE_CONTROL file_control [MAX_FC_NUM];
pubext struct FILE_CONTROL *fc;        /* actual file control */

#if (WITH_LAST_AGAIN)
pubext int mini_file_num;
pubext struct MINI_CONTROL mini_control [MAX_FC_NUM];
#endif


/* operation mode */
pubext int  mode_flag;            /* 0 : command  */
                                  /* 1 : insert   */
                                  /* 2 : exchange */
                                  /* 3 : Hex View */
                                  /* 4 : Hex Edit */

#define MODE_TEXT_0 "mode: \"command\" - <F1>: Help Info"
#define MODE_TEXT_1 "mode: \"insert\" - leave with <esc>"
#define MODE_TEXT_2 "mode: \"exchange\" - leave with <esc>"
#define MODE_TEXT_3 "Hex View: cursor keys, <esc>, Other, Edit"
#define MODE_TEXT_4 "Hex Edit: cursor keys, <esc>, <tab>, value"

pubext char *mode_text []
#ifdef _GLOBAL_
                                /* mode_flag */
               = { MODE_TEXT_0      /* 0 */
                  ,MODE_TEXT_1      /* 1 */
                  ,MODE_TEXT_2      /* 2 */
#if (WITH_HEX_VIEW)
                  ,MODE_TEXT_3      /* 3 */
                  ,MODE_TEXT_4      /* 4 */
#endif
                 }
#endif
;

#if (ACT_SERVER == SERVER_VT_100)
pubext int text_area;          /* == 0: text area */
                               /* >= 1: status line or history window */
#endif


/* buffer for ^A, ^X, ^Z, ^U */
struct SAVE_U {int  anz;
             int  index;
             int  command;
             char buffer [BUF_256];
             };
pubext struct SAVE_U save_u;


/* buffer for exchange/backspace */
struct SAVE_X {int  index;
               char buffer [BUF_256];
               };
pubext struct SAVE_X save_x;

/* buffer for buffer/delete */
struct SAVE_D {int  toggle;
               long index0;
               long index1;
               };
pubext struct SAVE_D save_d;

/* settings */
struct SETTINGS {int  autonl;
                 int  bak_file;
                 int  c_case;
                 int  display;
                 int  go;
                 int  highbit_global;  /* 0=No, 1=Yes, 2=Auto */
                 int  indent;
                 int  file_num;
                 int  k_token;
                 int  margin [3];
                 int  notab;
                 int  radix;
                 int  showfind;